How long is the flight from Maryland to Rio de Janeiro Santos Dumont Airport?

For as low as $559, LATAM Airlines can have you in Rio de Janeiro Santos Dumont Airport from Maryland in 15h 45m. The distance from Maryland to Rio de Janeiro Santos Dumont Airport is about 4794 mi.

In terms of precipitation, rainfall in Rio de Janeiro Santos Dumont Airport ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro Santos Dumont Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Rio de Janeiro Santos Dumont Airport, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

What are the most popular routes from Maryland to Rio de Janeiro Santos Dumont Airport?

The most popular route from Maryland to Rio de Janeiro Santos Dumont Airport is Washington, D.C. Dulles Intl - Rio de Janeiro Santos Dumont. You may also consider Washington, D.C. Reagan-National - Rio de Janeiro Santos Dumont or Baltimore/Washington - Rio de Janeiro Santos Dumont.

What is the cheapest time of day to fly from MD to SDU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to Rio de Janeiro Santos Dumont Airport as you normally would.

Can I find deals for flights from Maryland to Santos Dumont that include hotel bookings?

Yes. In addition to deals on Maryland to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Maryland to Santos Dumont?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Santos Dumont.

Can I find deals for business class flights from Maryland to Santos Dumont?

Yes. Cheapflights offers flight deals from Maryland to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$294+ Flights from Maryland to Rio de Janeiro Santos Dumont Airport, Brazil

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Cheap flight deals from Maryland to Santos Dumont

Cheapest flights from Maryland to Santos Dumont
Explore the most affordable flight options available from Maryland to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Mon 12/224:55 pmIAD - SDU

2 stops18h 20mLATAM Airlines

Mon 12/298:05 pmSDU - IAD

2 stops22h 43mLATAM Airlines

Deal found 12/21

$1,366

Mon 12/228:00 amDCA - SDU

2 stops27h 15mLATAM Airlines

Mon 12/298:05 pmSDU - DCA

2 stops21h 16mLATAM Airlines

Deal found 12/21

$1,383

Fri 12/2611:40 amPHL - SDU

2 stops19h 05mGOL

Sun 12/286:00 amSDU - PHL

2 stops17h 55mGOL

Deal found 12/22

$1,631

Mon 12/2210:40 amBWI - SDU

2 stops22h 00mMultiple Airlines

Fri 12/269:05 pmSDU - BWI

2 stops28h 44mMultiple Airlines

Deal found 12/21

$1,745

Sun 12/287:00 pmDCA - SDU

2 stops35h 45mGOL

Sat 1/311:35 amSDU - DCA

2 stops23h 34mGOL

Deal found 12/21

$1,752

Fri 12/267:00 pmDCA - SDU

2 stops25h 25mGOL

Sat 1/33:00 pmSDU - DCA

2 stops20h 09mGOL

Deal found 12/21

$1,759

Thu 12/251:50 pmDCA - SDU

2 stops25h 05mGOL

Sat 1/33:00 pmSDU - DCA

2 stops20h 09mGOL

Deal found 12/21

$1,761

Tue 12/236:05 pmDCA - SDU

2 stops36h 40mGOL

Sat 1/311:35 amSDU - DCA

2 stops23h 34mGOL

Deal found 12/21

$1,829

Sat 12/2710:40 amBWI - SDU

2 stops29h 35mMultiple Airlines

Mon 1/58:30 pmSDU - BWI

2 stops29h 19mMultiple Airlines

Deal found 12/21

$1,888

Tue 12/307:00 amPHL - SDU

2 stops52h 15mMultiple Airlines

Fri 1/29:55 amSDU - PHL

2 stops31h 42mMultiple Airlines

Deal found 12/21

$1,922

Tue 12/2311:44 amDCA - SDU

2 stops30h 01mMultiple Airlines

Sat 1/38:40 pmSDU - DCA

2 stops40h 32mMultiple Airlines

Deal found 12/22

$1,923

Tue 12/306:59 pmDCA - SDU

2 stops25h 26mMultiple Airlines

Sun 1/1110:05 amSDU - DCA

2 stops30h 54mMultiple Airlines

Deal found 12/21

$1,992

Best flights from Maryland to Santos Dumont
Discover carefully curated flight deals from Maryland to Santos Dumont that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Sun 3/13:40 pmDCA - SDU

2 stops15h 45mLATAM Airlines

Tue 3/108:05 pmSDU - DCA

2 stops16h 31mLATAM Airlines

Deal found 12/21

$559

Tue 1/209:45 amIAD - SDU

2 stops26h 25mMultiple Airlines

Tue 1/279:05 pmSDU - IAD

2 stops40h 30mMultiple Airlines

Deal found 12/22

$634

Mon 3/26:59 amDCA - SDU

2 stops31h 41mAir Canada

Tue 3/101:45 pmSDU - DCA

2 stops29h 20mAir Canada

Deal found 12/21

$636

Sun 3/811:30 pmIAD - SDU

1 stop16h 10mUnited Airlines

Thu 3/191:45 pmSDU - IAD

1 stop17h 55mUnited Airlines

Deal found 12/22

$704

Tue 5/121:35 pmPHL - SDU

2 stops20h 15mGOL

Fri 5/296:00 amSDU - PHL

2 stops18h 58mGOL

Deal found 12/20

$811

Tue 3/32:00 pmDCA - SDU

2 stops17h 25mLATAM Airlines

Tue 3/108:05 pmSDU - DCA

2 stops16h 16mLATAM Airlines

Deal found 12/20

$559

Thu 3/195:09 pmDCA - SDU

2 stops15h 16mLATAM Airlines

Thu 3/268:05 pmSDU - DCA

2 stops16h 31mLATAM Airlines

Deal found 12/22

$559

Fri 3/66:59 amDCA - SDU

2 stops35h 16mAir Canada

Thu 3/121:45 pmSDU - DCA

2 stops33h 50mAir Canada

Deal found 12/21

$636

Sun 3/81:19 pmIAD - SDU

2 stops19h 06mLATAM Airlines

Thu 3/198:05 pmSDU - IAD

2 stops17h 34mLATAM Airlines

Deal found 12/22

$559

Wed 3/49:40 amDCA - SDU

2 stops29h 00mAir Canada

Thu 3/121:45 pmSDU - DCA

2 stops33h 50mAir Canada

Deal found 12/21

$636

Sun 3/811:30 pmIAD - SDU

1 stop16h 10mUnited Airlines

Thu 3/121:45 pmSDU - IAD

1 stop17h 55mUnited Airlines

Deal found 12/21

$704

Mon 3/166:15 amPHL - SDU

2 stops23h 50mMultiple Airlines

Mon 3/236:50 pmSDU - PHL

2 stops25h 40mMultiple Airlines

Deal found 12/20

$750

Mon 3/25:00 pmDCA - SDU

2 stops18h 05mLATAM Airlines

Tue 3/108:05 pmSDU - DCA

2 stops16h 31mLATAM Airlines

Deal found 12/21

$564

Wed 3/48:15 amIAD - SDU

2 stops30h 25mUnited Airlines

Thu 3/121:45 pmSDU - IAD

1 stop17h 55mUnited Airlines

Deal found 12/21

$709

Fri 3/65:00 pmDCA - SDU

2 stops18h 00mLATAM Airlines

Sat 3/148:05 pmSDU - DCA

2 stops19h 03mLATAM Airlines

Deal found 12/21

$564

Tue 3/31:02 pmIAD - SDU

2 stops25h 38mUnited Airlines

Thu 3/121:45 pmSDU - IAD

1 stop17h 55mUnited Airlines

Deal found 12/21

$709

Sat 4/1110:57 amBWI - SDU

2 stops25h 03mMultiple Airlines

Sat 4/256:20 amSDU - BWI

3 stops18h 39mMultiple Airlines

Deal found 12/21

$782

Fri 3/610:30 pmIAD - SDU

1 stop34h 40mUnited Airlines

Sat 3/145:30 pmSDU - IAD

2 stops19h 01mUnited Airlines

Deal found 12/21

$715

Tue 2/107:00 amPHL - SDU

2 stops46h 05mMultiple Airlines

Tue 2/173:15 pmSDU - PHL

2 stops23h 21mMultiple Airlines

Deal found 12/22

$805

Sun 3/225:05 pmDCA - SDU

2 stops15h 20mLATAM Airlines

Fri 3/278:05 pmSDU - DCA

2 stops21h 55mLATAM Airlines

Deal found 12/21

$612

Sun 3/157:29 pmIAD - SDU

2 stops16h 46mLATAM Airlines

Sat 3/212:00 pmSDU - IAD

2 stops23h 39mLATAM Airlines

Deal found 12/23

$612

Wed 2/45:30 amPHL - SDU

3 stops31h 00mMultiple Airlines

Mon 2/2310:05 amSDU - PHL

2 stops35h 46mMultiple Airlines

Deal found 12/22

$815

Thu 3/510:50 pmIAD - SDU

1 stop15h 50mUnited Airlines

Thu 3/121:45 pmSDU - IAD

1 stop17h 55mUnited Airlines

Deal found 12/21

$754

Wed 3/1812:04 pmBWI - SDU

2 stops20h 21mLATAM Airlines

Wed 4/18:20 pmSDU - BWI

2 stops19h 33mLATAM Airlines

Deal found 12/20

$619

Thu 4/95:16 pmPHL - SDU

2 stops27h 54mMultiple Airlines

Thu 4/168:15 amSDU - PHL

3 stops33h 37mMultiple Airlines

Deal found 12/20

$826

Tue 3/1011:30 pmIAD - SDU

1 stop16h 10mUnited Airlines

Thu 3/191:45 pmSDU - IAD

1 stop17h 55mUnited Airlines

Deal found 12/22

$754

Sun 5/2410:05 amPHL - SDU

2 stops29h 40mMultiple Airlines

Sat 5/308:45 pmSDU - PHL

2 stops26h 12mMultiple Airlines

Deal found 12/19

$836

Sun 3/221:19 pmIAD - SDU

2 stops19h 06mLATAM Airlines

Fri 3/272:00 pmSDU - IAD

2 stops23h 39mLATAM Airlines

Deal found 12/23

$645

Mon 5/254:20 pmPHL - SDU

2 stops23h 25mMultiple Airlines

Sun 5/316:00 amSDU - PHL

2 stops16h 57mMultiple Airlines

Deal found 12/21

$839

Sat 3/147:18 amIAD - SDU

2 stops28h 57mLATAM Airlines

Sat 3/212:00 pmSDU - IAD

2 stops23h 39mLATAM Airlines

Deal found 12/21

$645

Last-minute flights from Maryland to Santos Dumont
Discover last-minute flight deals from Maryland to Santos Dumont. Data last updated December 23, 2025 and is based on user searches.

Thu 1/811:05 amDCA - SDU

2 stops25h 25mMultiple Airlines

Thu 1/2211:20 amSDU - DCA

2 stops23h 35mMultiple Airlines

Deal found 12/21

$677

Thu 1/89:45 amIAD - SDU

2 stops26h 45mAir Canada

Thu 1/2211:20 amSDU - IAD

2 stops26h 28mAir Canada

Deal found 12/21

$767

Wed 1/149:00 amIAD - SDU

2 stops26h 15mLATAM Airlines

Thu 1/228:05 pmSDU - IAD

2 stops17h 38mLATAM Airlines

Deal found 12/22

$821

Wed 1/146:30 pmDCA - SDU

2 stops40h 10mMultiple Airlines

Wed 1/217:35 amSDU - DCA

2 stops36h 25mMultiple Airlines

Deal found 12/21

$954

Fri 1/169:45 amIAD - SDU

2 stops26h 50mMultiple Airlines

Mon 1/268:05 pmSDU - IAD

2 stops17h 38mMultiple Airlines

Deal found 12/22

$836

Fri 1/169:45 amIAD - SDU

2 stops26h 50mAir Canada

Thu 1/2211:20 amSDU - IAD

2 stops30h 26mAir Canada

Deal found 12/21

$897

Fri 1/169:45 amIAD - SDU

2 stops26h 50mAir Canada

Mon 1/2611:20 amSDU - IAD

2 stops31h 04mAir Canada

Deal found 12/22

$970

Sat 1/1711:05 amDCA - SDU

2 stops28h 40mAir Canada

Sat 1/2411:20 amSDU - DCA

2 stops25h 03mAir Canada

Deal found 12/21

$894

Mon 1/192:30 pmDCA - SDU

2 stops18h 00mLATAM Airlines

Thu 1/226:10 amSDU - DCA

2 stops17h 59mLATAM Airlines

Deal found 12/20

$880

Tue 1/209:45 amIAD - SDU

2 stops26h 25mMultiple Airlines

Tue 1/279:05 pmSDU - IAD

2 stops40h 30mMultiple Airlines

Deal found 12/22

$634

Thu 1/225:00 pmDCA - SDU

2 stops18h 15mLATAM Airlines

Sun 1/258:05 pmSDU - DCA

2 stops16h 23mLATAM Airlines

Deal found 12/21

$888

Sun 1/251:15 pmIAD - SDU

2 stops22h 50mAir Canada

Thu 1/2911:20 amSDU - IAD

2 stops35h 06mAir Canada

Deal found 12/22

$822

One-way flights from Maryland to Santos Dumont
Search for one-way flight options from Maryland to Santos Dumont. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Sat 1/172:55 pmDCA - SDU

2 stops40h 30mLATAM Airlines

Deal found 12/22

$294

Sun 2/1512:35 pmIAD - SDU

2 stops29h 05mLATAM Airlines

Deal found 12/21

$314

Sun 2/1510:30 pmIAD - SDU

1 stop14h 00mUnited Airlines

Deal found 12/21

$341

Sun 2/157:15 amBWI - SDU

2 stops34h 25mLATAM Airlines

Deal found 12/21

$344

Sun 2/152:45 pmDCA - SDU

2 stops21h 45mUnited Airlines

Deal found 12/21

$345

Tue 3/175:57 pmPHL - SDU

2 stops27h 28mMultiple Airlines

Deal found 12/19

$347

Tue 12/307:00 pmDCA - SDU

2 stops41h 30mUnited Airlines

Deal found 12/22

$358

Tue 12/3010:33 pmIAD - SDU

2 stops37h 57mUnited Airlines

Deal found 12/22

$358

Tue 2/247:54 pmBWI - SDU

3 stops39h 21mMultiple Airlines

Deal found 12/21

$360

Fri 2/612:12 pmPHL - SDU

3 stops46h 28mMultiple Airlines

Deal found 12/22

$370

Wed 2/48:56 pmPHL - SDU

3 stops34h 14mMultiple Airlines

Deal found 12/22

$373

Wed 1/215:45 amIAD - SDU

2 stops23h 50mMultiple Airlines

Deal found 12/21

$377

Find flight deals from Maryland to Santos Dumont

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$559 (FlightHub)
One-way from	$294 (Travelocity)
Popular in	December
Cheapest in	May
Average price	$911

Provider with most accurate pricing for Washington, D.C. (WAS)-Rio de Janeiro (RIO) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Rio de Janeiro (RIO) flights.

Search Deals

From Maryland to Rio de Janeiro Santos Dumont

Search Deals

One-way flight from Maryland to Rio de Janeiro Santos Dumont

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($98 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Maryland to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Sun 3/1

3:40 pm-9:25 am

2 stops15h 45m

Rio de Janeiro Santos Dumont

Tue 3/10

8:05 pm-11:36 am

2 stops16h 31m

$559

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Tue 3/3

2:00 pm-9:25 am

2 stops17h 25m

Rio de Janeiro Santos Dumont

Tue 3/10

8:05 pm-11:21 am

2 stops16h 16m

$559

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Thu 3/19

5:09 pm-9:25 am

2 stops15h 16m

Rio de Janeiro Santos Dumont

Thu 3/26

8:05 pm-11:36 am

2 stops16h 31m

$559

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Sun 3/8

1:19 pm-9:25 am

2 stops19h 06m

Rio de Janeiro Santos Dumont

Thu 3/19

8:05 pm-12:39 pm

2 stops17h 34m

$559

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Mon 3/2

5:00 pm-1:05 pm

2 stops18h 05m

Rio de Janeiro Santos Dumont

Tue 3/10

8:05 pm-11:36 am

2 stops16h 31m

$564

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Fri 3/6

5:00 pm-1:00 pm

2 stops18h 00m

Rio de Janeiro Santos Dumont

Sat 3/14

8:05 pm-2:08 pm

2 stops19h 03m

$564

Washington, D.C.Rio de Janeiro

DCA - SDU

DCASDU

Washington, D.C. Reagan-National

Sun 3/22

5:05 pm-9:25 am

2 stops15h 20m

Rio de Janeiro Santos Dumont

Fri 3/27

8:05 pm-5:00 pm

2 stops21h 55m

$612

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Sun 3/15

7:29 pm-1:15 pm

2 stops16h 46m

Rio de Janeiro Santos Dumont

Sat 3/21

2:00 pm-12:39 pm

2 stops23h 39m

$612

BaltimoreRio de Janeiro

BWI - SDU

BWISDU

Baltimore/Washington

Wed 3/18

12:04 pm-9:25 am

2 stops20h 21m

Rio de Janeiro Santos Dumont

Wed 4/1

8:20 pm-2:53 pm

2 stops19h 33m

$619

Washington, D.C.Rio de Janeiro

IAD - SDU

IADSDU

Washington, D.C. Dulles Intl

Tue 1/20

9:45 am-2:10 pm

2 stops26h 25m

Rio de Janeiro Santos Dumont

Tue 1/27

9:05 pm-11:35 am

2 stops40h 30m

$634

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 60 results

...

Best time to book a flight from Maryland to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Maryland with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Maryland to Rio de Janeiro Santos Dumont Airport

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Maryland to Rio de Janeiro Santos Dumont Airport?
For as low as $559, LATAM Airlines can have you in Rio de Janeiro Santos Dumont Airport from Maryland in 15h 45m. The distance from Maryland to Rio de Janeiro Santos Dumont Airport is about 4794 mi.
What are the most popular routes from Maryland to Rio de Janeiro Santos Dumont Airport?
The most popular route from Maryland to Rio de Janeiro Santos Dumont Airport is Washington, D.C. Dulles Intl - Rio de Janeiro Santos Dumont. You may also consider Washington, D.C. Reagan-National - Rio de Janeiro Santos Dumont or Baltimore/Washington - Rio de Janeiro Santos Dumont.
Can I find deals for flights from Maryland to Santos Dumont that include hotel bookings?
Yes. In addition to deals on Maryland to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Maryland to Santos Dumont?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to Santos Dumont.
Can I find deals for business class flights from Maryland to Santos Dumont?
Yes. Cheapflights offers flight deals from Maryland to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$294+ Cheap flights from Maryland to Santos Dumont, Brazil (SDU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Maryland to Santos Dumont

Cheapest flights from Maryland to Santos DumontExplore the most affordable flight options available from Maryland to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Explore the most affordable flight options available from Maryland to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

Find flight deals from Maryland to Santos Dumont

Keep the following information in mind while searching for Maryland to Santos Dumont flight deals. Data was last updated December 23, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Maryland to Rio de Janeiro Santos Dumont Airport that are best for you.

Best time to book a flight from Maryland to Santos Dumont

Have a flexible travel schedule? Discover the best time to fly to Santos Dumont from Maryland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Maryland to Rio de Janeiro Santos Dumont Airport

Related info for your journey

Find useful and relevant information for your journey from Maryland to Santos Dumont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Maryland to Rio de Janeiro Santos Dumont Airport?

What are the most popular routes from Maryland to Rio de Janeiro Santos Dumont Airport?

Can I find deals for flights from Maryland to Santos Dumont that include hotel bookings?

How can I find direct flights from Maryland to Santos Dumont?

Can I find deals for business class flights from Maryland to Santos Dumont?

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Cheapest flights from Maryland to Santos Dumont
Explore the most affordable flight options available from Maryland to Santos Dumont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.